Obtaining molecular imagings of pesticide residues on strawberry surfaces with probe sampling followed by ambient ionization mass spectrometric analysis

Thermal desorption‐electrospray ionization tandem mass spectrometry (TD‐ESI/MS/MS) was used to rapidly characterize the residual pesticides collected on the surface of a strawberry with a metallic probe. Twelve pesticides, including nine fungicides and three miticides, were detected; the results wer...

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Bibliographic Details
Published in:Journal of mass spectrometry. 2021-04, Vol.56 (4), p.e4644-n/a
Main Authors: Jeng, Jing‐Yueh, Jiang, Zong‐Han, Cho, Yi‐Tzu, Su, Hung, Lee, Chi‐Wei, Shiea, Jentaie
Format: Article
Language:English
Subjects:
Chromatography
Fruits
Fungicides
Gas chromatography
Ionization
Ions
Liquid chromatography
Mass spectrometry
mass spectrometry imaging
Mass spectroscopy
Miticides
Pesticide residues
Pesticides
Residues
Scientific imaging
Solvent extraction
Spectroscopy
Strawberries
strawberry
thermal desorption‐electrospray ionization tandem mass spectrometry
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Summary:Thermal desorption‐electrospray ionization tandem mass spectrometry (TD‐ESI/MS/MS) was used to rapidly characterize the residual pesticides collected on the surface of a strawberry with a metallic probe. Twelve pesticides, including nine fungicides and three miticides, were detected; the results were validated by comparison with results that used solvent extraction followed by gas chromatography/mass spectrometry and liquid chromatography/tandem mass spectrometry analyses. The distribution of pesticide residues on a strawberry's surface was explored by collecting multiple samples using probes from 40 positions on the strawberry, with the collected samples being analyzed with TD‐ESI/MS/MS. The obtained molecular information was used to construct mass spectrometry imaging of the strawberry's pesticide residues.
ISSN:1076-5174
1096-9888
DOI:10.1002/jms.4644